Question

people on strict lactose - free diets need to read labels and avoid foods with all of the following ingredients except: a. milk b. milk solids c. whey d. gluten

Explanation:

Lactose - free diets require avoiding lactose - containing ingredients. Milk, milk solids, and whey all contain lactose. Gluten is a protein found in wheat, barley, and rye and has no relation to lactose.

Answer:

d. Gluten